NPPES file of Aug 9, 2026

Jennifer Smazil

Family Nurse Practitioner · Downers Grove, IL

Jennifer Smazil is a family nurse practitioner with a practice address in Downers Grove, Illinois, and NPI 1477158434, issued on Nov 30, 2020. Check the license (Illinois 041.416945, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1477158434
Name
Jennifer Smazil
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
041.416945 IL
Self-reported in NPPES; status is on the state search
Practice location
1026 Oxford St, Downers Grove, IL 60516
Phone
(630) 303-6835
Enumerated
Nov 30, 2020
Record last updated
Nov 30, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20210903000754); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Jennifer Smazil in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this profession
    Search for license 041.416945
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Illinois license search

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71% fewer Medicare Part D claims than the average family nurse practitioner in 2024

375 Medicare Part D claims for 120 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.

  1. Jennifer Smazil375
  2. Specialty average1,305

Most prescribed

  1. Carvedilol34 claims
  2. Atorvastatin Calcium32 claims
  3. Metoprolol Succinate32 claims
  4. Furosemide27 claims
  5. Rosuvastatin Calcium24 claims
  6. Clopidogrel23 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The MIPS final score for 2023 (Medicare payment program): 97.7 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score75.4
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $1,792.84

35 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Jennifer Smazil$1,792.84
  2. Specialty average$650.95

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

2 hospitals and group practices

  1. The University OF Chicago Medical CenterChicago, IL · Acute Care Hospitals4 of 5 stars
  2. University OF ChicagoChicago, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Jennifer Smazil among 7,639 family nurse practitioner records in Illinois

Jennifer Smazil is one of 7,639 family nurse practitioner records with a practice address in Illinois. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 59% of them.

  • NPI issued2020 · 59% of these records are older, 35% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2019 · median 2018 among the 4,778 with a school on file
  • Record last updated2020 · 39% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

83 family nurse practitioner records list a practice address in Downers Grove

They are 83 of the 1,899 NPPES records with a practice address in Downers Grove, and 7,639 family nurse practitioner records in Illinois.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Anna Burcenski, FNP-CDowners Grove, IL 605161821636879
  2. Evelyn Costales, APNDowners Grove, IL 605161447067442
  3. Andrea Heinritz, APRN, RNDowners Grove, IL 605161427949635
  4. Kathleen Marie Monsalud, APRNDowners Grove, IL 605161891646899
  5. Anjali Benischek, FNP-BCDowners Grove, IL 605151295410231
  6. Klaudia DarlakDowners Grove, IL 605151891500237
  7. Alexis DuboisDowners Grove, IL 605151497408348
  8. Julie Foy, CNPDowners Grove, IL 605151457020638

Common questions

What is Jennifer Smazil's NPI number?

Jennifer Smazil's National Provider Identifier (NPI) is 1477158434, issued on Nov 30, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Jennifer Smazil located?

The NPPES record lists a practice address at 1026 Oxford St, Downers Grove, IL, 60516. Phone: (630) 303-6835. Providers update this record themselves, so call before visiting.

How can I verify Jennifer Smazil's license?

NPPES lists Illinois license number 041.416945, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does Jennifer Smazil prescribe under Medicare Part D?

In 2024, Jennifer Smazil had 375 Medicare Part D claims for 120 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.

What is Jennifer Smazil's MIPS final score?

The 2023 MIPS final score is 97.7 of 100. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.